ValidationError: Invalid options object. Dev Server has been initialized using an options object that does not match the API schema.
运行别人的vue项目时，先使用npm install命令，再使用npm run serve命令。
在使用npm run serve命令时报错，错误如下：

ValidationError: Invalid options object. Dev Server has been initialized using an options object that does not match the API schema.

• options has an unknown property ‘disableHostCheck’. These properties are valid:
  object { allowedHosts?, bonjour?, client?, compress?, devMiddleware?, headers?, historyApiFallback?, host?, hot?, http2?, https?, ipc?, liveReload?, magicHtml?, onAfterSetup
  Middleware?, onBeforeSetupMiddleware?, onListening?, open?, port?, proxy?, server?, setupExitSignals?, setupMiddlewares?, static?, watchFiles?, webSocketServer? }

解决方法如下：
注释这一行即可